saramonteiro commented on a change in pull request #4509: URL: https://github.com/apache/incubator-nuttx/pull/4509#discussion_r715210569
########## File path: arch/xtensa/src/esp32/esp32_ble_adapter.c ########## @@ -0,0 +1,2814 @@ +/**************************************************************************** + * arch/xtensa/src/esp32/esp32_ble_adapter.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> +#include <stddef.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <assert.h> +#include <debug.h> +#include <pthread.h> +#include <fcntl.h> +#include <unistd.h> +#include <clock/clock.h> +#include <sys/time.h> +#include <sys/types.h> +#include <sys/stat.h> + +#include <nuttx/kmalloc.h> +#include <nuttx/mqueue.h> +#include <nuttx/spinlock.h> +#include <nuttx/irq.h> +#include <nuttx/semaphore.h> +#include <nuttx/kthread.h> +#include <nuttx/wdog.h> +#include <nuttx/wqueue.h> +#include <nuttx/sched.h> +#include <nuttx/signal.h> +#include <irq/irq.h> + +#include "hardware/esp32_dport.h" +#include "espidf_wifi.h" +#include "xtensa.h" +#include "xtensa_attr.h" +#include "esp32_rt_timer.h" +#include "esp32_ble_adapter.h" + +#ifdef CONFIG_ESP32_WIFI_BT_COEXIST +# include "esp_coexist_internal.h" +# include "esp_coexist_adapter.h" +#endif + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +typedef void (*xt_handler)(void *); +typedef void (* coex_func_cb_t)(uint32_t event, int sched_cnt); + +#define XTHAL_SET_INTSET(v) do { int __interrupt = (int)(v); \ + __asm__ __volatile__("wsr.intset %0" :: "a"(__interrupt):"memory"); \ + } while(0) + +#define ESP_ERR_INVALID_STATE 0x103 + +#define OSI_FUNCS_TIME_BLOCKING 0xffffffff +#define OSI_VERSION 0x00010002 +#define OSI_MAGIC_VALUE 0xfadebead + +#define BTDM_ASYNC_WAKEUP_REQ_HCI 0 +#define BTDM_ASYNC_WAKEUP_REQ_COEX 1 +#define BTDM_ASYNC_WAKEUP_REQMAX 2 + +#ifdef CONFIG_PM +#define BTDM_MIN_TIMER_UNCERTAINTY_US (1800) + +/* Low Power Clock Selection */ + +#define BTDM_LPCLK_SEL_XTAL (0) +#define BTDM_LPCLK_SEL_XTAL32K (1) +#define BTDM_LPCLK_SEL_RTC_SLOW (2) +#define BTDM_LPCLK_SEL_8M (3) + +/* Sleep and wakeup interval control */ + +#define BTDM_MIN_SLEEP_DURATION (24) /* threshold of interval in half slots to allow to fall into modem sleep */ +#define BTDM_MODEM_WAKE_UP_DELAY (8) /* delay in half slots of modem wake up procedure, including re-enable PHY/RF */ +#endif + +#define BTDM_MODEM_SLEEP_MODE_NONE 0 + +#define ESP_BT_CONTROLLER_CONFIG_MAGIC_VAL 0x20200622 + +extern void btdm_controller_set_sleep_mode(uint8_t mode); + +#ifdef CONFIG_ESP32_WIFI_BT_COEXIST +extern void coex_pti_v2(void); +#endif + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +#define RTC_CLK_CAL_FRACT 19 /* Number of fractional bits in values returned by rtc_clk_cal */ + +/* DPORT_WIFI_CLK_EN : R/W ;bitpos:[31:0] ;default: 32'hfffce030 ; */ + +#define DPORT_WIFI_CLK_EN 0xFFFFFFFF +#define DPORT_WIFI_CLK_EN_M ((DPORT_WIFI_CLK_EN_V)<<(DPORT_WIFI_CLK_EN_S)) +#define DPORT_WIFI_CLK_EN_V 0xFFFFFFFF +#define DPORT_WIFI_CLK_EN_S 0 + +/* Write value to DPORT register (does not require protecting) */ + +#define DPORT_REG_WRITE(_r, _v) _DPORT_REG_WRITE((_r), (_v)) +#define DPORT_REG_READ(_r) _DPORT_REG_READ(_r) + +#define DPORT_READ_PERI_REG(addr) _DPORT_READ_PERI_REG(addr) +#define _DPORT_READ_PERI_REG(addr) (*((volatile uint32_t *)(addr))) +#define _DPORT_WRITE_PERI_REG(addr, val) (*((volatile uint32_t *)(addr))) = (uint32_t)(val) + +/* Write value to register */ + +#define DPORT_WRITE_PERI_REG(addr, val) _DPORT_WRITE_PERI_REG((addr), (val)) + +/* Set bits of register controlled by mask */ + +#define DPORT_SET_PERI_REG_MASK(reg, mask) DPORT_WRITE_PERI_REG((reg), (DPORT_READ_PERI_REG(reg)|(mask))) + +/* clear bits of register controlled by mask */ + +#define DPORT_CLEAR_PERI_REG_MASK(reg, mask) DPORT_WRITE_PERI_REG((reg), (DPORT_READ_PERI_REG(reg)&(~(mask)))) + +/* BLE message queue private data */ + +struct mq_adpt_s +{ + struct file mq; /* Message queue handle */ + uint32_t msgsize; /* Message size */ + char name[16]; /* Message queue name */ +}; + +/* BLE interrupt adapter private data */ + +struct irq_adpt_s +{ + void (*func)(void *arg); /* Interrupt callback function */ + void *arg; /* Interrupt private data */ +}; + +/* BLE low power control struct */ + +typedef struct btdm_lpcntl_s +{ + uint32_t enable; /* whether low power mode is required */ + uint32_t lpclk_sel; /* low power clock source */ + uint32_t mac_bb_pd; /* whether hardware(MAC, BB) force-power-down is required during sleep */ + uint32_t wakeup_timer_required; /* whether system timer is needed */ + uint32_t no_light_sleep; /* do not allow system to enter light sleep after bluetooth is enabled */ +} btdm_lpcntl_t; + +/* low power control status */ + +typedef struct btdm_lpstat_s +{ + uint32_t pm_lock_released; /* whether power management lock is released */ + uint32_t mac_bb_pd; /* whether hardware(MAC, BB) is powered down */ + uint32_t phy_enabled; /* whether phy is switched on */ + uint32_t wakeup_timer_started; /* whether wakeup timer is started */ +} btdm_lpstat_t; + +/* vendor dependent signals to be posted to controller task */ + +typedef enum +{ + BTDM_VND_OL_SIG_WAKEUP_TMR, + BTDM_VND_OL_SIG_NUM, +} btdm_vnd_ol_sig_t; + +#ifdef CONFIG_PM +/* wakeup request sources */ + +typedef enum +{ + BTDM_ASYNC_WAKEUP_SRC_VHCI, + BTDM_ASYNC_WAKEUP_SRC_DISA, + BTDM_ASYNC_WAKEUP_SRC_TMR, + BTDM_ASYNC_WAKEUP_SRC_MAX, +} btdm_wakeup_src_t; +#endif + +typedef enum +{ + PERIPH_LEDC_MODULE = 0, + PERIPH_UART0_MODULE, + PERIPH_UART1_MODULE, + PERIPH_UART2_MODULE, + PERIPH_I2C0_MODULE, + PERIPH_I2C1_MODULE, + PERIPH_I2S0_MODULE, + PERIPH_I2S1_MODULE, + PERIPH_TIMG0_MODULE, + PERIPH_TIMG1_MODULE, + PERIPH_PWM0_MODULE, + PERIPH_PWM1_MODULE, + PERIPH_PWM2_MODULE, + PERIPH_PWM3_MODULE, + PERIPH_UHCI0_MODULE, + PERIPH_UHCI1_MODULE, + PERIPH_RMT_MODULE, + PERIPH_PCNT_MODULE, + PERIPH_SPI_MODULE, + PERIPH_HSPI_MODULE, + PERIPH_VSPI_MODULE, + PERIPH_SPI_DMA_MODULE, + PERIPH_SDMMC_MODULE, + PERIPH_SDIO_SLAVE_MODULE, + PERIPH_CAN_MODULE, + PERIPH_EMAC_MODULE, + PERIPH_RNG_MODULE, + PERIPH_WIFI_MODULE, + PERIPH_BT_MODULE, + PERIPH_WIFI_BT_COMMON_MODULE, + PERIPH_BT_BASEBAND_MODULE, + PERIPH_BT_LC_MODULE, + PERIPH_AES_MODULE, + PERIPH_SHA_MODULE, + PERIPH_RSA_MODULE, +} periph_module_e; + +/* prototype of function to handle vendor dependent signals */ + +typedef void (* btdm_vnd_ol_task_func_t)(void *param); + +/* VHCI function interface */ + +typedef struct vhci_host_callback_s +{ + void (*notify_host_send_available)(void); /* callback used to notify that the host can send packet to controller */ + int (*notify_host_recv)(uint8_t *data, uint16_t len); /* callback used to notify that the controller has a packet to send to the host */ +} vhci_host_callback_t; + +/* DRAM region */ + +typedef struct btdm_dram_available_region_s +{ + esp_bt_mode_t mode; + intptr_t start; + intptr_t end; +} btdm_dram_available_region_t; + +typedef void (* osi_intr_handler)(void); Review comment: ```suggestion typedef void (*osi_intr_handler)(void); ``` add comment to this function pointer -- This is an automated message from the Apache Git Service. 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